@mixin pb_box-shadow($top, $left, $blur, $offset, $color, $inset: false) {
    @if $inset {
        -webkit-box-shadow: inset $top $left $blur $offset $color;
        -moz-box-shadow: inset $top $left $blur $offset $color;
        box-shadow: inset $top $left $blur $offset $color;
    }

    @else {
        -webkit-box-shadow: $top $left $blur $offset $color;
        -moz-box-shadow: $top $left $blur $offset $color;
        box-shadow: $top $left $blur $offset $color;
    }
}

@mixin pb_gradient($from, $to, $deg) {
    background: $from;
    /* Old browsers */
    background: -moz-linear-gradient($deg, $from 0%, $to 100%);
    /* FF3.6-15 */
    background: -webkit-linear-gradient($deg, $from 0%, $to 100%);
    /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient($deg, $from 0%, $to 100%);
    /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#{$from}', endColorstr='#{$to}', GradientType=1);
    /* IE6-9 fallback on horizontal gradient */
}

@mixin pb_text-gradient($from, $to, $deg) {
    background: $from;
    /* Old browsers */
    background: -moz-linear-gradient($deg, $from 0%, $to 100%);
    /* FF3.6-15 */
    background: -webkit-linear-gradient($deg, $from 0%, $to 100%);
    /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient($deg, $from 0%, $to 100%);
    /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
